[FX.php List] [OFF] connection_aborted on IIS

Mon Dec 14 18:48:21 MST 2009

I'm not sure I understand your question.

On Dec 14, 2009, at 2:45 PM, Someone wrote:

> Hi Dale,
> Where do you your database action if download is successful
> 
> On Dec 14, 2009, at 2:11 PM, Dale Bengston wrote:
> 
>> Hi Frank,
>> 
>> Here's how I force a download x-plat. Content type doesn't matter. You want the browser to think it's not something it can load in a browser window.
>> 
>> 	header('Content-Description: File Transfer');
>> 	header('Content-Type: application/octet-stream');
>> 	header('Content-Disposition: attachment; filename='. basename($file));
>> 	header('Content-Transfer-Encoding: binary');
>> 	header('Expires: 0');
>> 	header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
>> 	header('Pragma: public');
>> 	header('Content-Length:' . filesize($file));
>> 	ob_clean();
>> 	flush();
>> 	readfile($file);
>> 	exit;
>> 
>> I have not tried it on .exe files. That might be a security thing that IIS is preventing.
>> 
>> Dale
>> 
>> 
>> On Dec 14, 2009, at 9:38 AM, Someone wrote:
>> 
>>> Hi,
>>> Does any one know if connection_aborted function works on IIS (Microsoft-IIS/7.0) / Windows Server 2008
>>> 
>>> I'm trying to do a force down a file (exe) and record if download was completed
>>> 
>>> It works on Apache/ OS X
>>> 
>>> Thanks
>>> Frank
>>> 
>>> Here's the script
>>> ---------------------------------------------------
>>> $filename = $_GET['file'];
>>> 
>>> // required for IE, otherwise Content-disposition is ignored
>>> if(ini_get('zlib.output_compression')) ini_set('zlib.output_compression', 'Off');
>>> 
>>> $file_extension = strtolower(substr(strrchr($filename,"."),1));
>>> 
>>> if( $filename == "" ) {
>>> //echo "<html><title>eLouai's Download Script</title><body>ERROR: download file NOT SPECIFIED. USE force-download.php?file=filepath</body></html>";
>>> exit;
>>> } elseif ( ! file_exists( $filename ) ) {
>>> //echo "<html><title>eLouai's Download Script</title><body>ERROR: File not found. USE force-download.php?file=filepath</body></html>";
>>> exit;
>>> };
>>> switch( $file_extension )
>>> {
>>> case "pdf": $ctype="application/pdf"; break;
>>> case "exe": $ctype="application/octet-stream"; break;
>>> case "zip": $ctype="application/zip"; break;
>>> case "doc": $ctype="application/msword"; break;
>>> case "xls": $ctype="application/vnd.ms-excel"; break;
>>> case "ppt": $ctype="application/vnd.ms-powerpoint"; break;
>>> case "gif": $ctype="image/gif"; break;
>>> case "png": $ctype="image/png"; break;
>>> case "jpeg":
>>> case "jpg": $ctype="image/jpg"; break;
>>> default: $ctype="application/force-download";
>>> }
>>> 
>>> header("Pragma: public"); // required
>>> header("Expires: 0");
>>> header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
>>> header("Cache-Control: private",false); // required for certain browsers
>>> header("Content-Type: $ctype");
>>> // change, added quotes to allow spaces in filenames, by Rajkumar Singh
>>> header("Content-Disposition: attachment; filename=\"".basename($filename)."\";" );
>>> header("Content-Transfer-Encoding: binary");
>>> header("Content-Length: ".filesize($filename));
>>> 
>>> $bytes_send = 0;
>>> $size = filesize($filename);
>>> $file = fopen($filename,"rb");
>>> if(isset($_SERVER['HTTP_RANGE'])) fseek($file, $range);
>>> while(!feof($file) ){ // if we haven't got to the End Of File
>>> 	$buffer = fread($file, 1024*8);
>>> 	print($buffer);//read 8k from the file and send to the user
>>> 	flush();//force the previous line to send its info
>>> 	$bytes_send += strlen($buffer);
>>> 	if (connection_aborted()){ //check the connection, if it has ended...
>>> 		fclose($file);//close the file
>>> 		die(); //kill the script
>>> 	}
>>> }
>>> if( connection_aborted() ) die();
>>> 
>>> fclose($file);//close the file
>>> 
>>> if( $size == $bytes_send){
>>> 	// record download was completed
>>> }
>>> exit;
>>> ---------------------------------------------------
>>> _______________________________________________
>>> FX.php_List mailing list
>>> FX.php_List at mail.iviking.org
>>> http://www.iviking.org/mailman/listinfo/fx.php_list
>> 
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